Finding the Fourth Proportional to 1,877,887,908.70, 2,816,831,863.05 and 1,179,503,575.90
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Solution
The fourth proportional to 1,877,887,908.70, 2,816,831,863.05 and 1,179,503,575.90 is: 1,769,255,363.85
Step by Step Solution
- Step 1: Write the proportion equation
1,877,887,908.70 : 2,816,831,863.05 = 1,179,503,575.90 : x - Step 2: Convert to fraction form
1,877,887,908.70/2,816,831,863.05 = 1,179,503,575.90/x - Step 3: Cross multiply
1,877,887,908.70x = 2,816,831,863.05 × 1,179,503,575.90 - Step 4: Simplify right side
1,877,887,908.70x = 3,322,463,255,176,534,528 - Step 5: Solve for x
x = 3,322,463,255,176,534,528/1,877,887,908.70 - Step 6: Final answer
x = 1,769,255,363.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.